5.5
MEDIUM
CVE-2024-49994
"Linux Kernel BLKSECDISCARD Integer Overflow Vulnerability"
Description

In the Linux kernel, the following vulnerability has been resolved: block: fix integer overflow in BLKSECDISCARD I independently rediscovered commit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 block: fix overflow in blk_ioctl_discard() but for secure erase. Same problem: uint64_t r[2] = {512, 18446744073709551104ULL}; ioctl(fd, BLKSECDISCARD, r); will enter near infinite loop inside blkdev_issue_secure_erase(): a.out: attempt to access beyond end of device loop0: rw=5, sector=3399043073, nr_sectors = 1024 limit=2048 bio_check_eod: 3286214 callbacks suppressed

INFO

Published Date :

Oct. 21, 2024, 6:15 p.m.

Last Modified :

Oct. 25, 2024, 2:52 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2024-49994 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2024-49994.

URL Resource
https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa Patch
https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455 Patch
https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d Patch

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-49994 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-49994 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Oct. 25, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa No Types Assigned https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa Patch
    Changed Reference Type https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455 No Types Assigned https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455 Patch
    Changed Reference Type https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d No Types Assigned https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d Patch
    Added CWE NIST CWE-190
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 6.10.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.11 up to (excluding) 6.11.3
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 21, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: block: fix integer overflow in BLKSECDISCARD I independently rediscovered commit 22d24a544b0d49bbcbd61c8c0eaf77d3c9297155 block: fix overflow in blk_ioctl_discard() but for secure erase. Same problem: uint64_t r[2] = {512, 18446744073709551104ULL}; ioctl(fd, BLKSECDISCARD, r); will enter near infinite loop inside blkdev_issue_secure_erase(): a.out: attempt to access beyond end of device loop0: rw=5, sector=3399043073, nr_sectors = 1024 limit=2048 bio_check_eod: 3286214 callbacks suppressed
    Added Reference kernel.org https://git.kernel.org/stable/c/0842ddd83939eb4db940b9af7d39e79722bc41aa [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/6c9915fa9410cbb9bd75ee283c03120046c56d3d [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/697ba0b6ec4ae04afb67d3911799b5e2043b4455 [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-49994 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-49994 weaknesses.

CVSS31 - Vulnerability Scoring System
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